/*
 * Fieldcraft Digital 2.0
 * Base Styles & Reset
 */

/* ========================================
   RESET
   ======================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-neutral-700);
    background-color: white;
    overflow-x: hidden;
}

/* Prevent body scroll when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-dark-900);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

h1 {
    font-size: var(--text-hero);
}
h2 {
    font-size: var(--text-5xl);
}
h3 {
    font-size: var(--text-3xl);
}
h4 {
    font-size: var(--text-xl);
}
h5 {
    font-size: var(--text-lg);
}
h6 {
    font-size: var(--text-base);
}

.text-hero {
    font-size: var(--text-hero);
    font-weight: 800;
    line-height: var(--leading-none);
    letter-spacing: var(--tracking-tighter);
}

.text-display {
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

.text-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: var(--leading-snug);
}

.text-subtitle {
    font-size: var(--text-xl);
    font-weight: 500;
    line-height: var(--leading-relaxed);
    color: var(--color-neutral-600);
}

.text-body {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

.text-small {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.text-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-primary-600);
}

.text-gradient {
    background: linear-gradient(
        135deg,
        var(--color-primary-500) 0%,
        var(--color-accent-500) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

@media (min-width: 768px) {
    .container {
        padding-inline: var(--space-8);
    }
}

.container-narrow {
    max-width: var(--container-narrow);
}

.container-wide {
    max-width: var(--container-wide);
}

.section {
    padding-block: var(--section-padding);
}

.section-sm {
    padding-block: var(--section-padding-sm);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn svg {
    width: 1rem;
    height: 1rem;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(3px);
}

.btn-primary {
    background: var(--color-dark-900);
    color: white;
}

.btn-primary:hover {
    background: var(--color-dark-800);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background: linear-gradient(
        135deg,
        var(--color-primary-600) 0%,
        var(--color-primary-700) 100%
    );
    color: white;
}

.btn-accent:hover {
    background: linear-gradient(
        135deg,
        var(--color-primary-500) 0%,
        var(--color-primary-600) 100%
    );
    box-shadow: var(--shadow-glow-primary);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-dark-900);
    border: 1.5px solid var(--color-neutral-300);
}

.btn-outline:hover {
    border-color: var(--color-dark-900);
    background: var(--color-dark-900);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--color-dark-800);
}

.btn-ghost:hover {
    background: var(--color-neutral-100);
}

.btn-white {
    background: white;
    color: var(--color-dark-900);
}

.btn-white:hover {
    background: var(--color-neutral-100);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-lg svg {
    width: 1.25rem;
    height: 1.25rem;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid var(--color-neutral-200);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-neutral-300);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.card-dark {
    background: var(--color-dark-900);
    border-color: var(--color-dark-700);
    color: white;
}

.card-dark h3,
.card-dark h4 {
    color: white;
}

.card-glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* ========================================
   SECTION HEADERS
   ======================================== */

.section-header {
    max-width: 700px;
    margin-bottom: var(--space-12);
}

.section-header.center {
    text-align: center;
    margin-inline: auto;
}

.section-header .text-label {
    margin-bottom: var(--space-4);
    display: block;
}

.section-header .text-display {
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
}

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 100ms;
}
.reveal-delay-2 {
    transition-delay: 200ms;
}
.reveal-delay-3 {
    transition-delay: 300ms;
}
.reveal-delay-4 {
    transition-delay: 400ms;
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out);
}

.stagger-children.is-visible > *:nth-child(1) {
    transition-delay: 0ms;
    opacity: 1;
    transform: translateY(0);
}
.stagger-children.is-visible > *:nth-child(2) {
    transition-delay: 100ms;
    opacity: 1;
    transform: translateY(0);
}
.stagger-children.is-visible > *:nth-child(3) {
    transition-delay: 200ms;
    opacity: 1;
    transform: translateY(0);
}
.stagger-children.is-visible > *:nth-child(4) {
    transition-delay: 300ms;
    opacity: 1;
    transform: translateY(0);
}
.stagger-children.is-visible > *:nth-child(5) {
    transition-delay: 400ms;
    opacity: 1;
    transform: translateY(0);
}
.stagger-children.is-visible > *:nth-child(6) {
    transition-delay: 500ms;
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   UTILITIES
   ======================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-center {
    text-align: center;
}
.text-left {
    text-align: left;
}
.text-right {
    text-align: right;
}

.mx-auto {
    margin-inline: auto;
}
.mt-4 {
    margin-top: var(--space-4);
}
.mt-6 {
    margin-top: var(--space-6);
}
.mt-8 {
    margin-top: var(--space-8);
}
.mb-4 {
    margin-bottom: var(--space-4);
}
.mb-6 {
    margin-bottom: var(--space-6);
}
.mb-8 {
    margin-bottom: var(--space-8);
}

.flex {
    display: flex;
}
.flex-col {
    flex-direction: column;
}
.items-center {
    align-items: center;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.gap-2 {
    gap: var(--space-2);
}
.gap-4 {
    gap: var(--space-4);
}
.gap-6 {
    gap: var(--space-6);
}
.gap-8 {
    gap: var(--space-8);
}

.grid {
    display: grid;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--color-primary-200);
    color: var(--color-primary-900);
}